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386,738
RESULTS

Media Type
386,738
texts
Topics & Subjects
87,234
ERIC Archive
46,005
NASA Technical Reports Server (NTRS)
24,000
Higher Education
23,208
Elementary Secondary Education
14,001
Foreign Countries
7,548
argentina
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Collection
109,371
Journals
109,283
Arxiv.org
87,234
Education Resources Information Center (ERIC) Archive
63,419
American Libraries
46,005
NASA Network Resource and Training Site
12,961
Microfilm
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Creator
87,234
eric
46,005
nasa technical reports server (ntrs)
7,545
república argentina
4,983
united states. national archives and records administration
4,972
united states. bureau of the census
4,156
bureau of indian standards
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Language
331,149
English
12,392
Handwritten English
9,206
Spanish
5,351
French
2,246
Ukrainian
1,372
Telugu
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